Yes. Now a days several online resources available for GATE exams. Today I found a website with good collection of Handwritten notes and Previous Solved Papers. You may check this- https://www.erforum.net/

Go through quality material not quantitattive because too many material available on Internet also in market (books)

below website gives you quality study material download it & for important subject take Xerox copy and study…

link : https://gatenotes.in/ce_gate_notes.php

Hello Samyak,

You can get get the complete details regarding the syllabus for civil branch and the important books to refer for each subject in the below link

https://engineering.careers360.com/articles/gate-syllabus-for-civil-engineering

You can download the study materials for your core subjects, aptitude and  Engg mathematics in the provided link

https://www.gatexplore.com/study-material/civil/

https://www.gatexplore.com/gate-engineering-mathematics-hand-written-notes/

https://civilenggforall.com/reasoning-aptitude-made-easy-gate-handwritten-classroom-notes-free-download-pdf/

If want to learn more core concepts you may visit the You tube channel APSEd , that has e lectures on Civil Engg subjects.

Wishing you All the best!!

Yes u can officially buy from the websites of respective academy's ( Ace , Made easy etc) which costs u around 7500-8000 . i have 2018 version of civil engineering in good condition if u wanna buy it at lower price u can contact me through my mail id Amarszandekar7m@gmail.com